<!doctype html>
<html>
<head>
<meta charset="utf-8">
<style>
body {
	text-align: center;
}

div {
	height:100%;
	width: 100%;
	text-align: center;
	margin-left: 20px auto;
	margin-right: 20px auto;
	margin-bottom:20px auto;
	margin-top:150px;
}

img {
	vertical-align: middle;
}

span {
	height: 100%;
	display: inline-block;
	vertical-align: middle;
}
</style>
</head>
<body>
	<div>
		<span></span><h3>服务器异常，请稍后再试！</h3> <span></span>
	</div>
</body>
</html>